Before I fully commit...

I'd really like to transition my entire music library to Microsoft Groove but I am waiting on a few things to materialize (if ever). I really need curated playlists (subscription based), music ratings, smart playlists, and store recommendations. ITunes has done a good job of spoiling me with all these features over the years and it will be pretty hard to drop them all just to say I am part of an "ecosystem". For now, I'll continue to purchase through iTunes and use Pandora. Has anyone here made the full transition from iTunes or Pandora?